Analysis shows that an iron oxide sample contains `96%` of the cations in `d^(6)` configuration and the rest in `d^(5)` configuration. Which of the formulas best represents that oxide?

Analysis show that iron oxide consist of Iron ion with 94% ions having d^(6) configuration and 6% having d^(5) configuration. Which amongst the following best represents the formula of the oxide?

Analysis show that nickel oxide consists of nickel ion with 96% ions having d^(8) configuration and 4% having d^(7) configuration. Which amongst the following best represents the formula of the oxide?

The element which does not show d^(@) configuration in its highest oxidation state

Crystal field stabilization energy of high spin complex cation having d_5 configuration in an octahedral field is

The transition element ( with few exceptions ) show a large number of oxidation states . The various oxidation states are related to the electronic configuration of their atoms. The variable oxidation states of a transition metal is due to the involvement of (n-1)d and outer ns electrons . For the first five elements of 3d transition series , the minimum oxidation state is equal to the number of electrons in 4s shell and the maximum oxidation state is equal to the sum of 4s and 3d electrons. The relative stability of various oxidation states of a given element can be explained on the basis of stability of d^(0),d^(5) and d^(10) configuration . In which of the following pairs , the first species is more stable than second one

The outermost shell electronic configuration 3d^(5), 4s^(2) represents

Which block of the periodic table contains the element with configuration 1s^2 2s^2 2p^6 3s^2 3p^6 3d^(10) 4s^1

The transition element ( with few exceptions ) show a large number of oxidation states . The various oxidation states are related to the electronic configuration of their atoms. The variable oxidation states of a transition metal is due to the involvement of (n-1)d and outer ns electrons . For the first five elements of 3d transition series , the minimum oxidation state is equal to the number of electrons in 4s shell and the maximum oxidation state is equal to the sum of 4s and 3d electrons. The relative stability of various oxidation states of a given element can be explained on the basis of stability of d^(0),d^(5) and d^(10) configuration . In 3d series, the maximum oxidation state is shown by

If the configuration of manganese is [Ar]3d^(5),4s^(2) , then maximum oxidation number of manganese will be

The transition element ( with few exceptions ) show a large number of oxidation states . The various oxidation states are related to the electronic configuration of their atoms. The variable oxidation states of a transition metal is due to the involvement of (n-1)d and outer ns electrons . For the first five elements of 3d transition series , the minimum oxidation state is equal to the number of electrons in 4s shell and the maximum oxidation state is equal to the sum of 4s and 3d electrons. The relative stability of various oxidation states of a given element can be explained on the basis of stability of d^(0),d^(5) and d^(10) configuration . Identify the correct statement